Question

Why should not curd and sour substances be kept in containers made up of brass or copper?

Answer 1

Hҽყα

They are not kept in metal containers. Curd and sour substances contain acid.They would react with the surface of metal vessels such as that of brass and copper to produce harmful substances. curd and sour

things have acid in them. so they are sour.

Answer 2

$<v > Curd and other sour substances contain acids. Therefore, when they are kept in brass and copper vessels, the metal reacts with the acid to liberate hydrogen gas and harmful products, thereby spoiling the food.</p><p>$